42547674523 has 2 divisors, whose sum is σ = 42547674524. Its totient is φ = 42547674522.

The previous prime is 42547674497. The next prime is 42547674541. The reversal of 42547674523 is 32547674524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42547674523 - 2⁹ = 42547674011 is a prime.

It is not a weakly prime, because it can be changed into another prime (42547674553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21273837261 + 21273837262.

It is an arithmetic number, because the mean of its divisors is an integer number (21273837262).

Almost surely, 2^42547674523 is an apocalyptic number.

42547674523 is a deficient number, since it is larger than the sum of its proper divisors (1).

42547674523 is an equidigital number, since it uses as much as digits as its factorization.

42547674523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 49.

Subtracting from 42547674523 its reverse (32547674524), we obtain a palindrome (9999999999).

The spelling of 42547674523 in words is "forty-two billion, five hundred forty-seven million, six hundred seventy-four thousand, five hundred twenty-three".